Apple CEO Tim Cook speaks at an Apple event at their headquarters in Cupertino, California, U.S. September 10, 2019.
Apple CEO Tim Cook.
  • Apple stock has lost about $191 billion in market capitalization over the last two days. 
  • China has banned government workers from using iPhones, while EU regulators have also cracked down. 
  • Apple stock declined as much as 5.1% on Thursday before paring some of its losses.

Apple stock has shed roughly $191 billion from its market capitalization over the last two days amid moves from regulators in China and Europe